these will fit all Cross fountain pen except the Spire pens
Cross Item #8920
Cross Fountain Pen Ink Cartridge, Blue, 3 Packs, 18 Ink Cartridge Sacs, #8920
$19.95
Ink Color
Blue
Material
Plastic
condition
New
You will received 3 Sealed Packs, Blue Ink, 18 total Cartridges